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The thinking around exoplanet habitability is mostly concerned with a planet’s distance from its star. Too close, and any surface water is boiled away into space. Too far, and surface water is frozen. Both are severe limits on the prospects for life. Habitability depends on an exoplanet being in the Goldilocks Zone, a distance range around a star where liquid water can persist.
Flashes of femtosecond laser light, lasting just a few trillionths of a second, have made it possible to observe new magnetic structures for the first time. By using light as a remote control, researchers were able to switch magnetism into previously unseen three-dimensional states at the nanoscale.
A new Physical Review Letters study places constraints on the ER = EPR conjecture, showing that under the authors’ assumptions, the conjecture would imply possible alterations to the hyperfine structure and effective charge of the hydrogen atom—effects that have never been observed.
New research led by a graduating Ph.D. student in The University of New Mexico Department of Electrical and Computer Engineering has shown that randomization can improve quantum computer performance in the presence of noise.
Many solid materials “remember” their past. A piece of metal may respond differently after being stretched, heated, or cooled, and memory materials rely precisely on this kind of history-dependent behavior. This phenomenon, known as hysteresis, is central to technologies such as memory devices, energy conversion materials, and durable structural materials.
For two decades, physicists have predicted the existence of a remarkable family of exotic molecules: giant atoms bound to ordinary atoms, with an electron so distant from its nucleus that it sculpts the pair into bizarre and diverse shapes. Reported in Physical Review Letters, the final member of this “quantum zoo” has been spotted. Led by Herwig Ott at RPTU University Kaiserslautern-Landau in Germany, a team of physicists has created and detected the “butterfly” molecule, completing a 20-year hunt for the elusive structure.
Solar panels have become more efficient over the years, but even the best designs still lose a large fraction of the energy they absorb. Scientists around the world have been searching for ways to capture more energy from every ray of sunlight and unlock the true potential of solar technology.
Researchers at University of Tsukuba used advanced techniques to visualize the water flow generated by flutter kicking during front-crawl swimming. They analyzed how this kicking motion generates propulsive force and contributes to body stabilization, demonstrating that the vertical vortices resulting from the alternating left and right leg movements not only impart forward propulsion but also suppress body sway. These results provide a fluid-dynamical explanation of the functional value of the flutter kick.
When a singer belts out a tune while a guitar player strums along, sound waves travel through the air, driving collective oscillations of the molecules within. Meanwhile, at the quantum level, something similar is going on. Atoms inside materials, everything from our bodies to metals and more, naturally jiggle around, creating tiny vibrational waves that ripple across the material. These vibrations are known as phonons: the quantum version of sound waves.
New observations from the James Webb Space Telescope have revealed fresh details about one of the most luminous known objects in the universe: the dust-shrouded quasar W2246−0526, seen just 1.2 billion years after the Big Bang. The paper outlining the results was published in the Monthly Notices of the Royal Astronomical Society on May 14.
A material recently discovered and tested at NASA’s Glenn Research Center in Cleveland could help astronauts pack lighter for future missions to the moon. NASA is researching ways explorers could “live off the land” by harnessing lunar resources, including melting moon rocks to extract metals for building infrastructure and oxygen for fuel and life support.
Planetary nebulae like the Crystal Ball Nebula (NGC 1514) are sort of like stellar obituaries. Though crystal balls supposedly reveal the future, the Crystal Ball Nebula tells us more about the past. It shows us how a binary pair of stars met their end. And since NGC 1514 is 1,500 light years away, we’re seeing what it looked like 1,500 years ago.
The Richfield PD officer pursued the suspected prowler on foot before both men fell to the ground; the man produced a gun and shot the officer, prompting another officer to fire shots
You’re on the fourth human mission to Mars, and you’ve been tasked with establishing the first self-sustaining food crop on a Martian settlement. You’re nervous because you’re using a new type of fungi called beneficial fungi, which you’re told will help enhance the Martian regolith, enabling it to be used for growing crops.
Among the updated guidance, NENA said telecommunicators should check the ALI NAM field for international callback numbers rather than rely on ANI
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